| Place | Post Code |
|---|---|
| Deepamangalam, Nannilam | 610105 |
| Gurukulam, Nannilam | 610101 |
| Gurusthanam, Nannilam | 609403 |
| Iniyanallur, Nannilam | 610107 |
| Jaganathapuram, Nannilam | 610105 |
| Kadagam, Nannilam | 609403 |
| Kadiramangalam-Kollumangudi-Myl, Nannilam | 609403 |
| Kaduvangudi, Nannilam | 609403 |
| Kakkakottur, Nannilam | 610101 |
| Kalakudi-North, Nannilam | 609608 |
| Kalakudi-South, Nannilam | 609608 |
| Kalanjiure, Nannilam | 609503 |
| Kalappaliruppu, Nannilam | 610105 |
| Kaliyakudi, Nannilam | 609403 |
| Kalladimedu, Nannilam | 610105 |
| Kallukudi, Nannilam | 610105 |
| Kalumangalam, Nannilam | 610107 |
| Kammangudi, Nannilam | 610105 |
| Karanakollai, Nannilam | 609608 |
| Keelagaram, Nannilam | 610107 |
| Keelakadagam, Nannilam | 609403 |
| Keelapanagudi, Nannilam | 609504 |
| Keelkudi, Nannilam | 610105 |
| Keeranur, Nannilam | 609403 |
| Keezha Mangudi, Nannilam | 609608 |
| Kenangudi, Nannilam | 609608 |